JPH0526258B2 - - Google Patents

Info

Publication number
JPH0526258B2
JPH0526258B2 JP56115448A JP11544881A JPH0526258B2 JP H0526258 B2 JPH0526258 B2 JP H0526258B2 JP 56115448 A JP56115448 A JP 56115448A JP 11544881 A JP11544881 A JP 11544881A JP H0526258 B2 JPH0526258 B2 JP H0526258B2
Authority
JP
Japan
Prior art keywords
disk
manufacturing
information storage
information
disc
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP56115448A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5753845A (en
Inventor
Henitsuhi Yuurugen
Fuetaa Haintsu
Butsuku Manfureeto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6108250&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH0526258(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of JPS5753845A publication Critical patent/JPS5753845A/ja
Publication of JPH0526258B2 publication Critical patent/JPH0526258B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Laminated Bodies (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP56115448A 1980-07-26 1981-07-24 Kairyosareta kogakutekinyomitorarerujohokiokudeisukunoseizoho Granted JPS5753845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803028498 DE3028498A1 (de) 1980-07-26 1980-07-26 Verbesserte, optisch abzulesende, informationsspeicherplatten und verfahren zu ihrer herstellung

Publications (2)

Publication Number Publication Date
JPS5753845A JPS5753845A (en) 1982-03-31
JPH0526258B2 true JPH0526258B2 (de) 1993-04-15

Family

ID=6108250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56115448A Granted JPS5753845A (en) 1980-07-26 1981-07-24 Kairyosareta kogakutekinyomitorarerujohokiokudeisukunoseizoho

Country Status (4)

Country Link
EP (1) EP0044907B1 (de)
JP (1) JPS5753845A (de)
CA (1) CA1178009A (de)
DE (2) DE3028498A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58185050A (ja) * 1982-04-21 1983-10-28 Matsushita Electric Ind Co Ltd 円盤状情報記録担体
WO1985001227A1 (en) * 1983-09-23 1985-03-28 Burroughs Corporation Improved overcoat for optical recording media
DE3337890A1 (de) * 1983-10-19 1985-05-09 Röhm GmbH, 6100 Darmstadt Formmassen fuer optisch ablesbare datentraeger
JP2804221B2 (ja) * 1993-09-28 1998-09-24 株式会社ノリタケカンパニーリミテド 熱処理炉におけるシール装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960790A (en) * 1974-03-25 1976-06-01 Rca Corporation Disc record and method of compounding disc record composition
DE2618773C2 (de) * 1976-04-29 1985-02-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Aufzeichnungsträger für Daten
NL7710162A (nl) * 1977-09-16 1979-03-20 Philips Nv Werkwijze voor het vervaardigen van een optisch uitleesbare informatieschijf onder toepassing van een vlakke, verstijvende warmtegeleidende plaat van anorganisch materiaal.
NL7713710A (nl) * 1977-12-12 1979-06-14 Philips Nv Schijfvormige informatiedrager met afdeklagen.
JPS54153205U (de) * 1978-04-17 1979-10-24
JPS5532298A (en) * 1978-08-28 1980-03-06 Mca Disco Vision Producing video disk structure
NL7904113A (nl) * 1979-05-25 1980-11-27 Philips Nv Optisch uitleesbare informatieschijf, werkwijze voor de vervaardiging ervan alsmede een inrichting voor het uitvoeren van deze werkwijze.

Also Published As

Publication number Publication date
JPS5753845A (en) 1982-03-31
CA1178009A (en) 1984-11-20
EP0044907B1 (de) 1986-03-12
DE3174033D1 (en) 1986-04-17
EP0044907A2 (de) 1982-02-03
EP0044907A3 (en) 1982-07-07
DE3028498A1 (de) 1982-03-04

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